These entries are queried from radb.net using whois, you can try my project getting these.
:AS11230 route: 198.183.220.0/22 origin: AS11230 descr: 198.183.220.0/22 - MHS mnt-by: MAINT-AS19531 changed: noc [at] nodesdirect.com 20191204 #15:47:58Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: valid route: 198.183.220.0/24 origin: AS11230 descr: 198.183.220.0/24 mnt-by: MAINT-AS19531 changed: noc [at] nodesdirect.com 20200623 #21:56:10Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: valid route: 198.183.221.0/24 origin: AS11230 descr: 198.183.221.0/24 mnt-by: MAINT-AS19531 changed: noc [at] nodesdirect.com 20200623 #21:56:31Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: valid route: 198.183.222.0/24 origin: AS11230 descr: 198.183.222.0/24 mnt-by: MAINT-AS19531 changed: noc [at] nodesdirect.com 20200623 #21:56:51Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: valid route: 198.183.223.0/24 origin: AS11230 descr: 198.183.223.0/24 mnt-by: MAINT-AS19531 changed: noc [at] nodesdirect.com 20200623 #21:57:10Z source: RADB last-modified: 2023-11-13T16:18:11Z rpki-ov-state: valid